Physics Test - ...

A cube of weight 10N rests on a rough inclined plane of slope 3 in 5. The coefficient of friction is 0.6. The minimum force necessary to start the cube moving up the plane is

The lengths and radii of two rods made of same material are in the ratios 1:2 and 2:3 respectively. If the temperature difference between the ends for the two rods be the same, then in the steady state, the amount of heat flowing per second through them will be in the ratio

Where will it be profitable to purchase one kilograme sugar ?

The ratio of mean kinetic energy of hydrogen and oxygen at a given temperature is

A molecule of mass m of an ideal gas collides with the wall of a vessel with a velocity ν and returns back with the same velocity. The change in the momentum of molecule is

A circular coil of radius 2R is carrying current i. The ratio of magnetic field at the centre of the coil and at a point at a distance 6R from the centre of the coil on the axis of the coil is

At a certain place, the horizontal component of earth's magnetic field is 3 times the vertical component. The angle of dip at that place is

Bernoulli's theorem is based on the law of conservation of

The coordinates of a moving particle at any time are given by x = at². The speed of the particle at any moment is

A particle revolves round a circular path. The acceleration of the particle is